import threading,time

def readFile(path):
    with open(path,'r',encoding='utf-8') as f:
        f.read()
    for i in range(1,200):
        print((f"{i}------readFile th线程------"))

def main():
    th =threading.Thread(target=readFile,args=('a.txt',))
    th.start()

    for i in range(201,400):
        print(f"{i}------主线程------")

main()
